Table with adjustable height and inclination

ABSTRACT

A table with adjustable height and inclination includes a foot; a first support rack clutchably and pivotally combined with the foot; a second support rack clutchably and pivotally combined with the first support rack and fixed to a table board; a first positioning assembly rotatably disposed at a location of the pivotal combination between the first support rack and the foot for adjusting and fixing an angle of the first support rack swaying against the foot; and a second positioning assembly rotatably disposed at a location of the pivotal combination between the first support rack and the second support rack for adjusting and fixing an angle of the second support rack swaying against the first support rack.

BACKGROUND OF THE INVENTION Field of the Invention

The present invention relates to adjustable tables, and moreparticularly, to an adjustable table provided with adjustable inclinedangle and table height.

Description of the Related Art

Tables and chairs are commonly applied by people for various purposes.For example, a table and at least a chair are usually required forfacilitating demands of dining, document processing, or officeoperation. In addition, the time of people applying tables and chairs isrelatively long nowadays. In case the height of the table and the chairmismatches the body shape of the user, the user might feel body pain orlimbs ache after using the table and chair for a long period. Therefore,sizes of the table and chair are in direct relation to the body shape ofthe user.

However, most of the tables presently available are provided with afixed side, so that the size is not able to be adjusted based ondifferent users demand, failing to meet the ergonomics. Also, regardingto a recently provided adjustable table in the market, one of theinclined angle and the table height is able to be adjusted; however,such adjustable tables are only able to partially resolve the issue forthe user, with other disadvantages and inconveniences remaining to beimproved.

Therefore, a table provided with an adjustable inclined angle and tableheight is needed for meeting the demand of users with different bodyshapes.

SUMMARY OF THE INVENTION

For improving the issues above, an adjustable table provided withadjustable inclined angle and table height is disclosed. With a firstsupport rack pivotally swaying against the foot, height of the tableboard is adjustable; with a second support rack pivotally swayingagainst the first support rack, the inclination of the table board isadjustable. Therefore, both the height and the inclination of the tableare allowed to be adjusted, facilitating the utility of the table.

For achieving the aforementioned objectives, an embodiment of thepresent invention provides a table with adjustable height andinclination, comprising:

a foot;

a first support rack clutchably and pivotally combined with the foot;

a second support rack clutchably and pivotally combined with the firstsupport rack, the second support rack also fixed to a table board;

a first positioning assembly disposed at a location of the pivotalcombination between the first support rack and the foot, the firstpositioning assembly moving between a fastened status and a loosenedstatus to vary a status of a pivotal combination between the firstsupport rack and the foot so as to adjust and fix an angle of the firstsupport rack swaying against the foot; and

a second positioning assembly disposed at a location of the pivotalcombination between the first support rack and the second support rack,the second positioning assembly moving between a fastened status and aloosened status to vary a status of a pivotal combination between thefirst support rack and the second support rack so as to adjust and fixan angle of the second support rack swaying against the first supportrack.

With such configuration, user is able to adjust the table inclinationbased on different user demands by swaying the second support rackagainst the first support rack. Also, user is able to sway the firstsupport rack against the foot for adjusting the table height against theground. Therefore, utility of the table provided by the presentinvention is enhanced.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view of the table in accordance with anembodiment of the present invention.

FIG. 2 is an exploded view of the table and the second support rack.

FIG. 3 is an exploded view of the table without the table board.

FIG. 4 is a partially enlarged view of FIG. 3, illustrating the firstfixing arm, the second fixing arm, and the left foot rack.

FIG. 5 is a partially enlarged view of FIG. 3, illustrating the firstmoving arm, the second moving arm, and the right foot rack.

FIG. 6 is a cross-sectional view taken along line 6-6 in FIG. 2,illustrating the first positioning assembly at a fastened status.

FIG. 7 is a sectional view of FIG. 6 illustrating the first positioningassembly at a loosened status.

FIG. 8 is a schematic view of the table in accordance with an embodimentof the present invention illustrating the adjustment of the incliningangle of the table board.

FIG. 9 is another schematic view of the table in accordance with anembodiment of the present invention illustrating the adjustment of theheight of the table board against the ground.

DETAILED DESCRIPTION OF THE INVENTION

The aforementioned and further advantages and features of the presentinvention will be understood by reference to the description of thepreferred embodiment in conjunction with the accompanying drawings wherethe components are illustrated based on a proportion for explanation butnot subject to the actual component proportion.

Referring to FIG. 1 to FIG. 9, an embodiment of the present inventionprovides a table with adjustable height and inclination, comprising afoot 10, a first support rack 20, a second support rack 30, a firstpositioning assembly 50, and a second positioning assembly 60.

The foot 10 is allowed to be integrally formed or separately combined.In an embodiment of the present invention, the foot 10 is placed on theground. The foot 10 includes a left foot rack 11 and a right foot rack12, with a connection board 13 transversely fastened between the leftfoot rack 11 and the right foot rack 12. The left foot rack 11 and theright foot rack 12 are formed in an A shape. The connection board 13 isable to be used for holding objects.

The first support rack 20 has one side thereof pivotally connected withthe foot 10 and the other side thereof capable of pivotally swaying foradjusting the distance between the first support rack 20 and the ground.In an embodiment of the present invention, the first support rack 20includes a first moving arm 21, a first fixing arm 22, and a firstlinkage 23 disposed between the first moving arm 21 and the first fixingarm 22. The first linkage 23 comprises an inner tube 231 and an outertube 232 that are combined in axial alignment, wherein the inner tube231 is fastened to the left foot rack 11, and the outer tube 232 has oneend fixed to the first fixing arm 22 and the other end passing throughthe first moving arm 21 and the right foot rack 12.

The second support rack 30 is fixed with a table board 40. The secondsupport rack 30 has one side thereof pivotally connected with the firstsupport rack 20 and the other side thereof triggering the table board 40to pivotally sway for adjusting the inclination angle of the table board40. Also, in an embodiment of the present invention, the second supportrack 30 includes a second moving arm 31, a second fixing arm 32, and asecond linkage 33 disposed between the second moving arm 31 and thesecond fixing arm 32. The table board 40 is fixed to the second fixingarm 32 and the second moving arm 31. The second linkage 33 includes aninner tube 331 and an outer tube 332 that are combined in axialalignment, wherein the inner tube 331 is fastened to the first fixingarm 22, and the outer tube 332 has one end fixed to the second fixingarm 32 and the other end passing through the second moving arm 31 andthe first moving arm 21.

The first positioning assembly 50 is disposed at the location of thepivotal combination between the first support rack 20 and the foot 10.The first positioning assembly 50 is allowed to be loosened ortightened, so as to adjust an angle of the first support rack 20 swayingagainst the foot 10. The first positioning assembly 50 includes a handle51 and a resilient member 52. In an embodiment of the present invention,two resilient members 52 are applied. The handle 51 passes through andis screwed to the right foot rack 12 and the inner tube 231. The tworesilient members 52 are mounted around two ends of the inner tube 231and contact the two ends of the outer tube 232, respectively. As shownby FIG. 6 and FIG. 7, when the first positioning assembly 50 is at afastened status, the handle 51 is rotated to be fastened, such that thehandle 51 pushes against the first support rack 20, and the firstsupport rack 20 presses the foot 10, while the resilient member 52 ispressed by the outer tube 232 at the location of the pivotal combinationbetween the first support rack 20 and the foot 10. Therefore, the angleof the first support rack 20 swaying against the foot 10 is fixed. Whenthe first positioning assembly 50 is at a loosened status, the handle 51is rotated to be loosened, such that the first support rack 20 laterallymoves against the foot 10 due to the resilient force of the resilientmember 52. Therefore, the angle of the first support rack 20 swayingagainst the foot 10 is able to be adjusted.

In addition, the first positioning assembly 50 comprises a first pillar53 and a plurality of first grooves 54. The first pillar 53 is disposedon the first support rack 20. The first grooves 54 are disposed on thefoot 10 in an equiangular arrangement, such that the first support rack20 and the foot 10 are allowed to be engaged. When the first positioningassembly 50 is at the loosened status, as shown by FIG. 7, the firstsupport rack 20 is allowed to sway to a targeted angle against the foot10, while the first pillar 53 is in alignment with one of the firstgrooves 54. Subsequently, the handle 51 is rotated to be fastened again,such that the first support rack 20 is pushed against the foot 10.Therefore, the first pillar 53 is engaged in the first groove 54 foradjusting and fixing the angle included by the first support rack 20 andthe foot 10, as shown by FIG. 6.

The second positioning assembly 60 is structurally similar to the firstpositioning assembly 50. The second positioning assembly 60 is disposedat the location of the pivotal combination between the first supportrack 20 and the second support rack 30. The second positioning assembly60 is allowed to be loosened or tightened, so as to adjust the angle ofthe second support rack 30 swaying against the first rack 20. The secondpositioning assembly 60 comprises a handle 61 and a resilient member 62.In an embodiment of the present invention, two resilient members 62 areapplied. The handle 61 passes through and is screwed to the first fixingarm 22 and the second fixing arm 32. The two resilient members 62 aremounted around two ends of the inner tube 331 and contact the two endsof the outer tube 332, respectively. When the second positioningassembly 60 is at a fastened status, the handle 61 is rotated to befastened, such that the handle 61 pushes against the second support rack30, and the second support rack 30 presses the first support rack 20,while the resilient member 62 is pressed by the outer tube 332 at thelocation of the pivotal combination between the second support rack 30and the first support rack 20. Therefore, the angle of the secondsupport rack 30 swaying against the first support rack 20 is fixed. Whenthe second positioning assembly 60 is at a loosened status, the handle61 is rotated to be loosened, such that the second support rack 30laterally moves against the first support rack 20 due to the resilientforce of the resilient member 62. Therefore, the angle of the secondsupport rack 30 swaying against the first support rack 20 is able to beadjusted.

In addition, the second positioning assembly 60 comprises a secondpillar 63 and a plurality of second grooves 64. The second pillar 63 isdisposed on the second support rack 30. The second grooves 64 aredisposed on the first support rack 20 in an equiangular arrangement,such that the second support rack 30 and the first support rack 20 areallowed to be engaged. When the second positioning assembly 60 is at theloosened status, the second support rack 30 is allowed to sway to atargeted angle against the first support rack 20, while the secondpillar 63 is in alignment with one of the second grooves 64.Subsequently, the handle 61 is rotated to be fastened again, such thatthe handle 61 pushes against the second support rack 30, and the secondsupport rack 30 presses against the first support rack 20. Therefore,the second pillar 63 is engaged in the second groove 64 for adjustingand fixing the angle included by the second support rack 30 and thefirst support rack 20.

Referring to FIG. 3 and FIG. 8, based on different user demands, whenthe user needs to adjust the inclination angle of the table board 40,the handle 61 is rotated to be loosened. Subsequently, if theinclination angle of the table board 40 is to be increased, and thesecond support rack 30 sways away from the first support rack 20; if theinclination angle of the table board 40 is to be decreased, the secondsupport rack 30 sways toward the first support rack 20. Upon the anglebetween the second support rack 30 and the first support rack 20reaching a targeted degree, the handle 61 is rotated to be fastenedagain. Therefore, the inclination angle of the table board 40 isadjusted and fixed.

Referring to FIG. 3 and FIG. 9, when the user needs to adjust the heightof the table board 40 against the ground, the handle 51 is rotated to beloosened. When the height of the table board 40 is to be increased, thefirst support rack 20 sways away from the foot 10; when the height ofthe table board 40 is to be decreased, the first support rack 20 swaystoward the foot 10. Upon the angle between the first support rack 20 andthe foot 10 reaching a targeted degree, the handle 51 is rotated to befastened again. Therefore, the height of the table board 40 against theground is adjusted and fixed.

Although particular embodiments of the invention have been described indetail for purposes of illustration, various modifications andenhancements may be made without departing from the spirit and scope ofthe invention. Accordingly, the invention is not to be limited except asby the appended claims.

What is claimed is:
 1. A table with adjustable height and inclination,comprising: a foot; a first support rack clutchably and pivotallycombined with the foot; a second support rack clutchably and pivotallycombined with the first support rack, the second support rack fixed to atable board simultaneously; a first positioning assembly disposed at alocation of a pivotal combination between the first support rack and thefoot, the first positioning assembly moving between a fastened statusand a loosened status to vary a status of the pivotal combinationbetween the first support rack and the foot so as to adjust and fix anangle of the first support rack swaying against the foot; and a secondpositioning assembly disposed at a location of a pivotal combinationbetween the first support rack and the second support rack, the secondpositioning assembly moving between a fastened status and a loosenedstatus to vary a status of the pivotal combination between the firstsupport rack and the second support rack so as to adjust and fix anangle of the second support rack swaying against the first support rack.2. The table of claim 1, wherein when the first positioning assembly isat the fastened status, the first support rack pushes against the foot.3. The table of claim 2, wherein the first positioning assemblycomprises a handle; when the first positioning assembly is at thefastened status, the handle pushes the first support rack, such that thefirst support rack pushes against the foot.
 4. The table of claim 2,wherein the first positioning assembly comprises a resilient member;when the first positioning assembly is at the loosened status, the firstsupport rack laterally moves against the foot due to a resilient forceof the resilient member of the first positioning assembly.
 5. The tableof claim 1, wherein when the second positioning assembly is at thefastened status, the second support rack pushes against the firstsupport rack.
 6. The table of claim 5, wherein the second positioningassembly comprises a handle; when the second positioning assembly is atthe fastened status, the handle pushes the second support rack, suchthat the second support rack pushes against the first support rack. 7.The table of claim 5, wherein the second positioning assembly comprisesa resilient member; when the second support rack is at the loosenedstatus, the second support rack laterally moves against the firstsupport rack due to a resilient force of the resilient member of thesecond positioning assembly.
 8. The table of claim 1, wherein the firstpositioning assembly comprises a first pillar and a plurality of firstgrooves, such that the first support rack is engaged with the foot. 9.The table of claim 8, wherein the first pillar is disposed on the firstsupport rack, and the first grooves are disposed on the foot in anequiangular arrangement.
 10. The table of claim 1, wherein the secondpositioning assembly comprises a second pillar and a plurality of secondgrooves, such that the first support rack is engaged with the secondsupport rack.
 11. The table of claim 10, wherein the second pillar isdisposed on the first support rack, and the second grooves are disposedon the second support rack in an equiangular arrangement.